While attacking Khan during Prime Minister’s Questions last month, Cameron said: “Suliman Gani, Mr Khan has appeared on a platform with him nine times. This man supports IS. He even shared a platform.

“Anyone can make a mistake about who they appear on a platform with. We’re not always responsible for what our political opponents say. But if you do it time after time after time it is right to question your judgment.”

While attacking Khan during Prime Minister’s Questions last month, Cameron said: “Suliman Gani, Mr Khan has appeared on a platform with him nine times. This man supports IS. He even shared a platform.

“Anyone can make a mistake about who they appear on a platform with. We’re not always responsible for what our political opponents say. But if you do it time after time after time it is right to question your judgment.”